erythrocyte sedimentation rate (ESR), the rate at which red blood cells settle out in a tube of unclotted blood, expressed in millimeters per hour. Blood is collected in an anticoagulant and allowed to form a sediment in a calibrated glass column.
The Butterfly Circus (2009) The Butterfly Circus is the story of a renowned circus troupe traveling through the devastated American landscape at the height of the Great Depression, lifting the spirits of audiences ... See full summary Â».
Exhibit ID Guide: Blue Butterflies. Note: This guide only includes butterflies found in the Museum's Butterfly Rainforest exhibit. It is not intended to cover all species worldwide.xhibit ID Guide: Blue Butterflies. Note: This guide only includes butterflies found in the Museum's Butterfly Rainforest exhibit. It is not intended to cover all species worldwide.